Home / 1,973.57-2,721.96-1,265.47

Finding the Fourth Proportional to 1,973.57, 2,721.96 and 1,265.47

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Solution

The fourth proportional to 1,973.57, 2,721.96 and 1,265.47 is: 1,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.57 : 2,721.96 = 1,265.47 : x
  2. Step 2: Convert to fraction form
    1,973.57/2,721.96 = 1,265.47/x
  3. Step 3: Cross multiply
    1,973.57x = 2,721.96 × 1,265.47
  4. Step 4: Simplify right side
    1,973.57x = 3,444,551.92
  5. Step 5: Solve for x
    x = 3,444,551.92/1,973.57
  6. Step 6: Final answer
    x = 1,745.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.